Abstract
This paper suggests a high order Hamiltonian approach to nonlinear oscillators. Two examples are given to illustrate the effectiveness of the method. The maximum relative error of Duffing oscillator obtained by He's Hamiltonian approach is 2.22% ; while the present approach leads to 0.19% and 0.009% accuracy, respectively, for the second and third approximations.
| Original language | English |
|---|---|
| Pages (from-to) | 565-570 |
| Number of pages | 6 |
| Journal | International Journal of Nonlinear Sciences and Numerical Simulation |
| Volume | 11 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - Aug 2010 |
Keywords
- Duffing equation
- Hamiltonian
- High order hamiltonian approach
- Nonlinear oscillator
- Nonlinear oscillator with discontinuity
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